CN102615320A - Finish-milling numerical control machine tool for steel rail welding seam - Google Patents
Finish-milling numerical control machine tool for steel rail welding seam Download PDFInfo
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- CN102615320A CN102615320A CN2012100760104A CN201210076010A CN102615320A CN 102615320 A CN102615320 A CN 102615320A CN 2012100760104 A CN2012100760104 A CN 2012100760104A CN 201210076010 A CN201210076010 A CN 201210076010A CN 102615320 A CN102615320 A CN 102615320A
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Abstract
The invention discloses a finish-milling numerical control machine tool for a steel rail welding seam. The finish-milling numerical control machine tool comprises a worktable arranged on the machine tool, wherein a positioning fixture, a rotating mechanism and an electrical control system are arranged on the worktable; a moving device which can do a transverse and vertical motion is arranged on the rotating mechanism; a tool and a first detection device for detecting a start point and an end point of the steel rail are respectively arranged on the moving device; control circuits of the positioning fixture, the rotating mechanism and the first detection device are respectively connected with the electrical control system; the tool is a milling cutter; a second detection device for detecting the position relationship between the outlines of a start point and an end point of processing and the tool and tool rotating center; and the second detection device is connected with the electrical control system. According to the finish-milling numerical control machine tool disclosed by the invention, a grinding wheel is changed into the milling cutter, so that the problems of the cutter back-off and burning-down of workpieces are solved; and the second detection device can be used for conveniently detecting the position relationship between the outlines of the start point and the end point of processing and the tool and tool rotating center, thereby controlling the milling cutter to accurately feed and achieving the aim of finish milling. The finish-milling numerical control machine tool is suitable for processing steel rails.
Description
Technical field
The present invention relates to steel rail welding line and handle, particularly relate to a kind of steel rail welding line finish-milling Digit Control Machine Tool.
Background technology
At present, though because of formed long-pending knurl after the long rail welding through cutting somebody's hair processings, but still the endless belt root nodule of residual 2mm * 20mm, so the domestic majority producer following dual mode of general employing is repaired:
1, manual mode, not only speed is slow, and labor strength is big, and environmental pollution is big, and quality can not get guaranteeing, burnishing part polishing scratch chaotic, sense organ is poor, and the outlet of long rail is brought certain influence.Not being ground to of this mill usually occur, the place mill that should not grind loses.
2, adopt the numerical coutrol fine grinding machine correct grinding, this mode is specially, and at first, the ride comfort at steel rail welding line place is carried out data acquisition, thereby confirm the machining starting point and the terminal point (being grinding length) of rail; Then, produce spark, confirm the position relation of the outline and the abrasive grinding wheel pivot of said machining starting point and terminal point through abrasive grinding wheel contact rail; At last, adopt the little straight line profiling of multistage approximating method to finish grind to grinding length.Because this method is to adopt the little straight line profiling of segmentation approximating method correct grinding; So the bossing of weld seam possibly appear at the middle part of the little straight line of segmentation, like this, when sharpening is ground to this convexity; The phenomenon that sharpening the cutter relieving phenomenon can occur or workpiece directly occur burning has had a strong impact on rail quality.
Summary of the invention
The objective of the invention is provides a kind of simple in structure in order to overcome the deficiency of above-mentioned background technology, cutter relieving can not occur and burn the steel rail welding line finish-milling Digit Control Machine Tool of workpiece phenomenon.
In order to realize above purpose; A kind of steel rail welding line finish-milling Digit Control Machine Tool provided by the invention; Comprise the workbench that is installed on the lathe; Positioning fixture, slew gear and electric-control system are installed on the workbench, and said slew gear is provided with the mobile device that can do to move both vertically and horizontally, is separately installed with cutter and first checkout gear that is used to detect rail machining starting point and terminal point on the mobile device; The control circuit of said positioning fixture, slew gear and first checkout gear all links to each other with said electric-control system; Said cutter is a milling cutter, and said slew gear is provided with second checkout gear of the position relation that is used to detect machining starting point and terminal point outline and cutter and cutter pivot, and this second checkout gear links to each other with said electric-control system.Through changing abrasive grinding wheel into milling cutter, cutter relieving and the problem of burning workpiece have been solved; Simultaneously; Owing to can not produce spark with milling cutter processing rail; So second checkout gear that adds can easily detect the position relation between said machining starting point and terminal point outline and cutter and the cutter pivot three (processing stand outline, cutter and cutter pivot); Thereby control said milling cutter and descend cutter exactly, reach the purpose of finish-milling.
In such scheme; Said second checkout gear comprise the action of the said cutter of simulation measurement block, be used to detect said measurement block movement locus displacement transducer with can be laterally and vertical mobile drive unit; This drive unit is installed on the said slew gear; Said measurement block is movably arranged on the said drive unit through spring and guide post, and said measurement block is positioned at the lower end of guide post.Simulate said cutter action through the measurement block that adds, and detect the course of action of measurement block, thereby reach the purpose of the position relation that detects said machining starting point and terminal point outline and cutter and cutter pivot with displacement transducer.Certainly, also can adopt the checkout gear of other structures.
In such scheme, said displacement transducer is a laser sensor, and this laser sensor oppositely is installed in the upper end of said guide post, and the position that said drive unit is corresponding is provided with reflector, and this reflection of reflecting face is aimed at said laser transmitter projects end.Certainly, also can adopt other displacement transducers.
In such scheme, the size of said measurement block and the consistent size of said cutter.
The operation principle of said second checkout gear is: measurement block is in the process of simulation cutter action (promptly waiting to mill the rail surface moves); Said spring makes measurement block and waits that milling the rail surface closely contacts; Measurement block can be floated along with the surface configuration of waiting to mill weld seam on the rail, and said guide post also can stretch along with floating of measurement block; Simultaneously, said guide post drives said laser sensor and moves, and makes the transmitting terminal of laser sensor arrive the distance change of said reflector, thus the unsteady variation of record measurement block, and feed back to said electric-control system; Electric-control system combines the measurement block change in location of slew gear and drive unit feedback again, behind Data Management Analysis, confirms the position relation of profile and the cutter and the cutter pivot of said machining starting point and terminal point; Go out the program of cutting tool path at last according to the gained data creating.
The present invention and prior art contrast show that fully its superiority is: through changing abrasive grinding wheel into milling cutter, solved cutter relieving and the problem of burning workpiece; Simultaneously; Owing to can not produce spark with milling cutter processing rail; So second checkout gear that adds can easily detect the position relation of said machining starting point and terminal point outline and cutter and cutter pivot, descends cutter exactly thereby control said milling cutter, reaches the purpose of finish-milling.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the plan structure sketch map of Fig. 1;
User mode structural representation when Fig. 3 waits to mill rail for the present invention's processing;
Fig. 4 is the structural representation of second checkout gear among the present invention;
Fig. 5 is the side-looking structural representation of Fig. 4.
Among the figure: lathe 1, workbench 2, positioning fixture 3, slew gear 4, electric-control system 5, mobile device 6; Cutter 7, the first checkout gears 8, the second checkout gears 9, measurement block 10, displacement transducer 11; Drive unit 12, spring 13, guide post 14, reflector 15 waits to mill rail 16.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is made further detailed description, but this embodiment should not be construed as limitation of the present invention.
As shown in Figure 1: present embodiment provides a kind of steel rail welding line finish-milling Digit Control Machine Tool; Comprise the workbench 2 that is installed on the lathe 1; Positioning fixture 3, slew gear 4 and electric-control system 5 are installed on the workbench 2; Said slew gear 4 is provided with the mobile device 6 that can do to move both vertically and horizontally; Be separately installed with cutter 7 and first checkout gear 8 that is used to detect rail machining starting point and terminal point on the mobile device 6, the control circuit of said positioning fixture 3, slew gear 4 and first checkout gear 8 all links to each other with said electric-control system 5, and said cutter 7 is a milling cutter; Said slew gear 4 is provided with second checkout gear 9 of the position relation that is used to detect machining starting point and terminal point outline and cutter 7 and cutter pivot, and this second checkout gear 9 links to each other with said electric-control system 5.Through changing abrasive grinding wheel into milling cutter, cutter relieving and the problem of burning workpiece have been solved; Simultaneously; Owing to can not produce spark with milling cutter processing rail; So second checkout gear 9 that adds can easily detect the position relation of said detection machining starting point and terminal point outline and cutter 7 and cutter pivot; Thereby control said milling cutter and descend cutter exactly, reach the purpose (referring to Fig. 2 and Fig. 3) of finish-milling.
As shown in Figure 4; Said second checkout gear 9 comprise 7 actions of the said cutter of simulation measurement block 10, be used to detect said measurement block 10 movement locus displacement transducer 11 with can be laterally and vertical mobile drive unit 12; This drive unit 12 is installed on the said slew gear 4; Said measurement block 10 is movably arranged on the said drive unit 12 through spring 13 and guide post 14, and said measurement block 10 is positioned at the lower end of guide post 14.The said cutter 7 of measurement block 10 simulations through adding moves, and detects the course of action of measurement block 10 with displacement transducer 11, thereby reaches the purpose of the position relation that detects said detection machining starting point and terminal point outline and cutter 7 and cutter pivot.Certainly, also can adopt the checkout gear of other structures.Said displacement transducer 11 is a laser sensor, and this laser sensor oppositely is installed in the upper end of said guide post 14, and said drive unit 12 corresponding positions are provided with reflector 15, and the reflecting surface of this reflector 15 is aimed at said laser transmitter projects end.Certainly, also can adopt other displacement transducers.The consistent size of the size of said measurement block 10 and said cutter 7 (referring to Fig. 5).
The operation principle of said second checkout gear 9 is: measurement block 10 is in the process of simulation cutter 7 actions (promptly waiting to mill rail 16 surfaces rotates); Said spring 13 makes measurement block 10 and waits that milling rail 16 surfaces closely contacts; Measurement block 10 can be floated along with waiting to mill the surface configuration of weld seam on the rail 16, and said guide post 14 also can stretch along with floating of measurement block 10; Simultaneously, said guide post 14 drives said laser sensor and moves, and makes the transmitting terminal of laser sensor arrive the distance change of said reflector 15, thus the unsteady variation of record measurement block 10, and feed back to said electric-control system 5; Electric-control system 5 combines measurement block 10 change in location of slew gear 4 and drive unit 12 feedbacks again, behind Data Management Analysis, confirms the position relation of profile and the cutter 7 and the cutter pivot of said machining starting point and terminal point; Go out the program of cutter 7 movement locus at last according to the gained data creating.
The course of work of the present invention is following:
At first, waiting after welding being milled rail 16 is transported on the workbench 2 of the present invention through outer power; Then, as " arrow lance " reference, workbench 2 is moved to " target " (promptly waiting to mill root nodule place, rail 16 back) with cutter 7; Then, when " arrow lance " with after " target " aimed at, start positioning fixture 3 and will wait to mill rail 16 and clamp; Follow, control slew gear 4 and mobile device 6 utilize first checkout gear 8 to measure the glacing flatness of waiting to mill rail 16 again, and through drawing the machining starting point and the final position of waiting to mill rail 16 behind the Data Management Analysis; Again then, control slew gear 4 and drive unit 12 make 7 work of measurement block 10 simulation cutters, and utilize second checkout gear 9 to measure the position relation of profile and the cutter 7 and the cutter pivot of said machining starting point and terminal point; At last; Measured data are drawn the movement locus (being made into program) of cutter 7 after through Data Management Analysis; And, make cutter 7 divide multitool to treat to mill rail 16 and process (referring to Fig. 3) through being turned back to different positions by the program that writes by electric-control system 5 control slew gears 4 and drive units 12; Again the rail that mills is carried out glacing flatness as stated above after milling is accomplished and detect, and carry out the preservation and the transmission of qualified judgement and data.
Above whole machining process process is about 5 minutes.The iron filings that produce in the milling process are collected by connecing the bits device.And in milling process, lubricating system of the present invention is lubricated each motion parts in good time, so that processing effect is better.
Misalignment objectively always exists when welding in theory, and no matter the misalignment of rail is not as, the cutter relieving when such processing method not only can overcome grinding or burn workpiece, and the instructions for use that also can satisfy rail of the linearity after the processing and ride comfort.
The present invention has solved cutter relieving and the problem of burning workpiece through changing abrasive grinding wheel into milling cutter; Simultaneously; Owing to can not produce spark with milling cutter processing rail; So second checkout gear 9 that adds can easily detect the position relation of said detection machining starting point and terminal point outline and cutter 7 pivots, descends cutter exactly thereby control said milling cutter, reaches the purpose of finish-milling.
Claims (4)
1. steel rail welding line finish-milling Digit Control Machine Tool; Comprise the workbench that is installed on the lathe; Positioning fixture, slew gear and electric-control system are installed on the workbench; Said slew gear is provided with the mobile device that can do to move both vertically and horizontally, is separately installed with cutter and first checkout gear that is used to detect rail machining starting point and terminal point on the mobile device, and the control circuit of said positioning fixture, slew gear and first checkout gear all links to each other with said electric-control system; It is characterized in that; Said cutter is a milling cutter, and said slew gear is provided with second checkout gear of the position relation that is used to detect machining starting point and terminal point outline and cutter and cutter pivot, and this second checkout gear links to each other with said electric-control system.
2. steel rail welding line finish-milling Digit Control Machine Tool as claimed in claim 1; It is characterized in that; Said second checkout gear comprise the action of the said cutter of simulation measurement block, be used to detect said measurement block movement locus displacement transducer with can be laterally and vertical mobile drive unit; This drive unit is installed on the said slew gear, and said measurement block is movably arranged on the said drive unit through spring and guide post, and said measurement block is positioned at the lower end of guide post.
3. steel rail welding line finish-milling Digit Control Machine Tool as claimed in claim 2; It is characterized in that; Said displacement transducer is a laser sensor; This laser sensor oppositely is installed in the upper end of said guide post, and the position that said drive unit is corresponding is provided with reflector, and this reflection of reflecting face is aimed at said laser transmitter projects end.
4. like claim 2 or 3 described steel rail welding line finish-milling Digit Control Machine Tools, it is characterized in that the size of said measurement block and the consistent size of said cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210076010.4A CN102615320B (en) | 2012-03-21 | 2012-03-21 | Finish-milling numerical control machine tool for steel rail welding seam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210076010.4A CN102615320B (en) | 2012-03-21 | 2012-03-21 | Finish-milling numerical control machine tool for steel rail welding seam |
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| CN102615320A true CN102615320A (en) | 2012-08-01 |
| CN102615320B CN102615320B (en) | 2014-04-16 |
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| CN201210076010.4A Active CN102615320B (en) | 2012-03-21 | 2012-03-21 | Finish-milling numerical control machine tool for steel rail welding seam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896499A (en) * | 2012-09-22 | 2013-01-30 | 无锡华联精工机械有限公司 | Adjustable pedestal component of circular seam back chipping edge milling machine |
| CN104308235A (en) * | 2014-09-26 | 2015-01-28 | 武汉利德测控技术股份有限公司 | Welding seam full-section milling and machining device for steel rail |
| CN104875077A (en) * | 2015-06-11 | 2015-09-02 | 安徽康成工业产品设计有限公司 | Automatic measurement device for board edge milling machine |
| CN106041182A (en) * | 2016-06-24 | 2016-10-26 | 深圳市高能精密机械有限公司 | Numerically-controlled finish-milling device and finish-milling method for steel rail weld joints |
| CN106871839A (en) * | 2017-03-08 | 2017-06-20 | 上海瑞纽机械股份有限公司 | A kind of measurement apparatus and measuring method that milling is shaped for steel rail welding line |
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| EP0119098A2 (en) * | 1983-03-14 | 1984-09-19 | A.I. Welders Limited | A method and apparatus for aligning two work pieces |
| CN87107259A (en) * | 1987-12-04 | 1988-06-15 | 西安市机械研究所 | The milling device of welding bead of railway rail bar |
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| CN202506884U (en) * | 2012-03-21 | 2012-10-31 | 武汉利德测控技术股份有限公司 | Rail welding seam finish-milling numerical control machine |
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| US3978746A (en) * | 1974-05-30 | 1976-09-07 | Kuchuk Yatsenko Sergei Ivanovi | Device for removing flash after resistance butt welding of rails |
| EP0119098A2 (en) * | 1983-03-14 | 1984-09-19 | A.I. Welders Limited | A method and apparatus for aligning two work pieces |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896499A (en) * | 2012-09-22 | 2013-01-30 | 无锡华联精工机械有限公司 | Adjustable pedestal component of circular seam back chipping edge milling machine |
| CN104308235A (en) * | 2014-09-26 | 2015-01-28 | 武汉利德测控技术股份有限公司 | Welding seam full-section milling and machining device for steel rail |
| CN104875077A (en) * | 2015-06-11 | 2015-09-02 | 安徽康成工业产品设计有限公司 | Automatic measurement device for board edge milling machine |
| CN106041182A (en) * | 2016-06-24 | 2016-10-26 | 深圳市高能精密机械有限公司 | Numerically-controlled finish-milling device and finish-milling method for steel rail weld joints |
| CN106041182B (en) * | 2016-06-24 | 2018-01-09 | 深圳市高能精密机械有限公司 | Steel rail welding line numerical finish-milling equipment and finish-milling method |
| CN106871839A (en) * | 2017-03-08 | 2017-06-20 | 上海瑞纽机械股份有限公司 | A kind of measurement apparatus and measuring method that milling is shaped for steel rail welding line |
| CN106871839B (en) * | 2017-03-08 | 2023-03-24 | 上海瑞纽机械股份有限公司 | Measuring device and measuring method for steel rail weld forming mill |
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| CN102615320B (en) | 2014-04-16 |
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Denomination of invention: Rail welding seam finish-milling numerical control machine Effective date of registration: 20140910 Granted publication date: 20140416 Pledgee: Bank of Communications Ltd Wuhan fruit Lake Branch Pledgor: Wuhan LEADDO Measuring & Control Co., Ltd. Registration number: 2014990000746 |
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Date of cancellation: 20151105 Granted publication date: 20140416 Pledgee: Bank of Communications Ltd Wuhan fruit Lake Branch Pledgor: Wuhan LEADDO Measuring & Control Co., Ltd. Registration number: 2014990000746 |
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